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  1. #include <stdio.h>
  2.  
  3. struct student{
  4.     char id[9];
  5.     short count;
  6.     void (*addCount)();
  7. };
  8.  
  9. void student_addCount(struct student a){
  10.     a.count++;
  11. }
  12.  
  13. int main(){
  14.     struct student student;
  15.     student.addCount = student_addCount;
  16.     student.count = 0;
  17.     student.addCount();
  18.     student.addCount();
  19.     student.addCount();
  20.     student.addCount();
  21.     student.addCount();
  22.     printf("%d\n",student.count);
  23. }
Success #stdin #stdout 0s 4556KB
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https://ideone.com/Cam4xY
language:
C99 (gcc 8.3)
created:
7 years ago
visibility:
public

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